E5058 Cmd Rej: VGTT must be ON before enabling VGTT with 16 GTT lengths

The Variable Length GTT (VGTT) feature must be turned on before the Support for 16 GTT Lengths in VGTT feature can be enabled.

Note:

Once a feature that is controlled using a feature bit has been turned on, it cannot be turned off.

Recovery

1. Display the status of the VGTT feature. Enter the rtrv-feat command.
2. Turn on the feature as necessary. Refer to the Database Administration - GTT User's Guide for assistance.
3. Re-enter the enable-ctrl-feat command that generated this error message.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).